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Table 2 Self-perceived skill improvement

From: Feedback in laparoscopic skills acquisition: an observational study during a basic skills training course

Skill

Median VAS score

Difference before and aftera

Before

After

p value

Body positioning

2.8

2.9

0.67 N.S.

Camera navigation

3.4

3.2

0.18 N.S

Pointing en grasping

3.0

3.1

0.13 N.S

Use of the scissors

2.7

3.1

<0.001

Intracorporeal knot tying

1.2

2.4

<0.001

  1. VAS: self-perceived level of competence, range 1 (unskilled) to 5 (very skilled)
  2. VAS Visual Analog Scale, N.S not significant
  3. aWilcoxon’s signed-rank test
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